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Finding the Fourth Proportional to 359,825.48, 539,644.02 and 107,037.91

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Solution

The fourth proportional to 359,825.48, 539,644.02 and 107,037.91 is: 160,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,825.48 : 539,644.02 = 107,037.91 : x
  2. Step 2: Convert to fraction form
    359,825.48/539,644.02 = 107,037.91/x
  3. Step 3: Cross multiply
    359,825.48x = 539,644.02 × 107,037.91
  4. Step 4: Simplify right side
    359,825.48x = 57,762,368,044.80
  5. Step 5: Solve for x
    x = 57,762,368,044.80/359,825.48
  6. Step 6: Final answer
    x = 160,528.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.